Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . or even to assign to a genus with certainty. According to him theouter polyp wall is smooth and soft, without grooves or ribs. The cylindricalpolyps are weakly thorny spindles 0,2 mm long, and are thus consistent withthose of the genus Clavularia (Clavulariidae) but quite unlike sclerites of thefamily Xeniidae. The colony colour is described as vermilion red. Studersmaterial is presently not available for examination. Two presently undetermined species of Anthelia have recently been col-lected from Natal: a slate-grey sp
Annals of the South African MuseumAnnale van die Suid-Afrikaanse Museum . or even to assign to a genus with certainty. According to him theouter polyp wall is smooth and soft, without grooves or ribs. The cylindricalpolyps are weakly thorny spindles 0,2 mm long, and are thus consistent withthose of the genus Clavularia (Clavulariidae) but quite unlike sclerites of thefamily Xeniidae. The colony colour is described as vermilion red. Studersmaterial is presently not available for examination. Two presently undetermined species of Anthelia have recently been col-lected from Natal: a slate-grey species common on the sublittoral coral reefs ofSodwana Bay, 9-19 m in depth (Williams 1989a: 142; in press b); and a vividblue species that is frequently encountered at Durban from the littoral to at least3 m in depth (see Fig. ID). Genus Cespitularia Valenciennes, in Milne Edwards & Haime, 1850 Cespitularia Valenciennes, in Milne Edwards & Haime, 1850: lxxviii. Hickson, 1931: , 1933: 103. Tixier-Durivault, 1966: 351. SOFT CORALS OF SOUTHERN AFRICA 341. Fig. 44. Litophyton liltvedi Verseveldt & Williams, 1988. A. Sclerites from polypwalls and ultimate branches. B. Sclerites from tentacles. C. Stalk sclerites. Scale bar = 0,1 mm. 342 ANNALS OF THE SOUTH AFRICAN MUSEUM Diagnosis Colonies are lobed and digitate; several lobes or branches arise from acommon stalk. Polyps arise from different levels of the polyparium on severallobes and are non-retractile. Sclerites if present are minute, usually smoothround to oval rods or discs. Perhaps ten or more species of the Red Sea and the Indo-Pacifk. Type species. Cornularia multipinnata Quoy & Gaimard, in Milne Edwards& Haime, 1850, by subsequent designation; Indo-Pacific. Remarks A single species of Cespitularia has been recorded from South Africa(Table 1), but no new material has been collected representing this genus. Genus Heteroxenia Kolliker, 1874 Heteroxenia Kolliker, 1874: 12. Hickson, 1931: 168. Roxas, 1933: 95. Gohar, 19
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